77546840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276953}}^1$

素因数の和:276971

約数の個数: 32

約数和(自身を含む): 199406880

約数和(自身を除く): 121860040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276953, 553906, 1107812, 1384765, 1938671, 2215624, 2769530, 3877342, 5539060, 7754684, 9693355, 11078120, 15509368, 19386710, 38773420, 77546840]

約数ペア:

[(1, 77546840), (2, 38773420), (4, 19386710), (5, 15509368), (7, 11078120), (8, 9693355), (10, 7754684), (14, 5539060), (20, 3877342), (28, 2769530), (35, 2215624), (40, 1938671), (56, 1384765), (70, 1107812), (140, 553906), (280, 276953)]